Before Messhof made Nidhogg and then spent a long time not making Nidhogg, he created a set of great singleplayer and local multiplayer games with tight controls, silly conceits and visuals like visual migraines. I miss those days, so the reminiscent style of Heli Brawl by 2BAM is a welcome addition to my life. It's a local multiplayer game for 2-4 players in which helicopters…